Fire resistance rating of light gauge steel frame walls exposed to realistic design fires : a review and development of time equivalent approach

Ariyanayagam, Anthony Deloge & Mahendran, Mahen (2014) Fire resistance rating of light gauge steel frame walls exposed to realistic design fires : a review and development of time equivalent approach. In ASEC 2014 Conference Structural Engineering in Australisia, 09-11 July 2014, Auckland, New Zealand.

Abstract

This paper presents the details of research undertaken on the development of an energy based time equivalent approach for light gauge steel frame (LSF) walls. This research utilized an energy based time equivalent approach to obtain the fire resistance ratings (FRR) of LSF walls exposed to realistic design fires with respect to standard fire exposure [1]. It is based on the equal area concept of fire severity and relates to the amount of energy transferred to the member. The proposed method was used to predict the fire resistance of single and double plasterboard lined and externally insulated LSF walls. The predicted fire resistance ratings were compared with the results from finite element analyses and fire design rules for three different wall configurations. This paper presents the review of the available time equivalent approaches and the development of energy based time equivalent approach for the prediction of fire resistance ratings of LSF walls exposed to realistic design fires.

Impact and interest:

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ID Code: 73861
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: Light gauge steel frame walls, Fire resistance rating, Realistic design fire curves, Time equivalent approach, Finite element analyses
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Construction Engineering (090502)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 [please consult the author]
Deposited On: 14 Jul 2014 23:28
Last Modified: 24 Jun 2017 00:46

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